an illegal narcotic drug classified as being of the most harmful and addictive (or a less harmful and addictive) kind, possession or sale of which incurs corresponding legal penalties
A（或B，C）类毒品（根据其有害程度和上瘾程度划分为A，B或C类的某种毒品，私藏或出售将导致相应的法律处罚）
(chiefly N. Amer.)a person or thing displaying impressive and stylish excellence
(主北美)出类拔萃的人，气质超群的人，出色的事物
unequalled, especially in excellence or performance
（尤指优秀品质、表现）无与伦比的，独一无二的，独具一格的